log: Fix parsing of keyword log handler parameters
log: Fix parsing of keyword log handler parameters

Thanks to A Sydney on pox-dev for the bug report.

This still isn't awesome, and I have an arguably better but considerably
more involved patch if it's still problematic.

pthien92/sdn,noxrepo/pox,pthien92/sdn,MurphyMc/pox,noxrepo/pox,pthien92/sdn,noxrepo/pox,pthien92/sdn,MurphyMc/pox,pthien92/sdn,MurphyMc/pox,MurphyMc/pox,noxrepo/pox,MurphyMc/pox